If an integer greater than one is removed from 300205243 to leave 15, then this number is equal to ()
namely
300-15=285
205-15=190
243-15=228
The greatest common multiple of 285190228
Yes: 19
So the number is 19
namely
300-15=285
205-15=190
243-15=228
The greatest common multiple of 285190228
Yes: 19
So the number is 19